/*
* Created on Jul 23, 2007
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*
* Copyright @2007-2009 the original author or authors.
*/
package org.fest.swing.junit.ant;
import static java.util.Arrays.asList;
import static org.apache.tools.ant.Project.MSG_INFO;
import static org.apache.tools.ant.ProjectHelper.configureProject;
import java.io.*;
import java.util.Vector;
import org.apache.tools.ant.BuildLogger;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.listener.TimestampedLogger;
/**
* Understands programmatic execution of a Ant task.
*
* @author Alex Ruiz
*/
public final class AntLauncher {
private final Project project = new Project();
private final ByteArrayOutputStream out = new ByteArrayOutputStream();
public AntLauncher(File buildFile) {
project.addBuildListener(createLogger(out));
project.init();
configureProject(project, buildFile);
project.setUserProperty("ant.file", buildFile.getAbsolutePath());
}
public String executeDefaultTarget() {
return execute(project.getDefaultTarget());
}
public String execute(String... targetNames) {
project.executeTargets(new Vector<String>(asList(targetNames)));
return out.toString();
}
private static BuildLogger createLogger(ByteArrayOutputStream out) {
BuildLogger logger = new TimestampedLogger();
logger.setEmacsMode(false);
logger.setErrorPrintStream(printStreamFrom(out));
logger.setOutputPrintStream(printStreamFrom(out));
logger.setMessageOutputLevel(MSG_INFO);
return logger;
}
private static PrintStream printStreamFrom(ByteArrayOutputStream out) {
return new PrintStream(out);
}
}